Chest Wall Oscillator

KTD-200D High Frequency Chest Wall Oscillator

Why Need the High Frequency Chest Wall Oscillator?
Many people with chronic respiratory conditions struggle each day to adequately remove secretions from their lungs. This can be due to the volume or thickness of secretions, muscle weakness leading to an ineffective cough or even the reliance on others to assist with airway clearance. Retained secretions may lead to increased rates of respiratory infection,hospitalization and reduced lung function.In order to assist you in improving mucus clearance , Konted developed The KTD200 Airway Clearance System to deliver High Frequency Chest Wall Oscillation.
What HFCWO is (Mechanism of action)?
High frequency chest wall oscillation (HFCWO) draws its effectiveness from the science of fluid mechanics, 
the study of fluids and the forces which act upon them. Because mucus is a viscous fluid, it tends to resist  movement. But sufficient and sustained airflow creates what physicists call “shear force,” which can cause even high-viscosity fluids to shift and flow.
How the HFCWO  Work? 
The Airway Clearance System consists of an inflatable vest connected by tubes to an air-pulse generator. The generator rapidly inflates and deflates the cough vest, compressing and releasing the cough vest wall up to 25times per second. This technology is called High Frequency Chest Wall Oscillation (HFCWO).
The rapid chest movement minics”mini-cough” that dislodge and thin the mucus, moving it along to the central airways. The cough vest therapy treats all lobes of the lungs simultaneously and it technique indepent. It can be beneficial to patients across the continuum of care, including acute and post-acute facilities, as well as at home.

Feature and Benefits 
  • Reduce pulmonary infection 
  • Stable, comfortable and effective therapy treatment
  • Easy to use and Lightweight to transport
  • Multiple sizes available as patient grows
  • Allows concurrent administer of aerosol treatment
  • Mobilizes secretions at least as well as CPT 
  • As safe as conventional chest physiotherapy
Diseases and Conditions Needs Airway Clearance System
CF (Cystic Fibrosis)
CP (Cerebral Palsy)
ICU/Post-Op Setting
MD (Muscular Dystrophy)
PCD (Primary Ciliary Dyskinesia)
Post-Lung Transplant
Spinal Injury/Quadriplegia
Spinal Muscular Atrophy
Fact Sheets & Referral Listings
COPD (Chronic Obstructive Pulmonary Disease)
Generator Feature

Item Control Description
A ON/OFF start or pause the Air Pulse Generator
B and C Frequency Up and Down Press to adjust the Frequency setting until the
prescribed treatment session Frequency shows on the display
D and E Pressure Up and Down Press to adjust the Pressure setting until the
prescribed treatment session Pressure shows on the display
F and G Treatment Time Up and Down Press to adjust the treatment Time until the
prescribed treatment session Time shows on the dispaly
H Treatment Mode Press to adjust the treatment mode until the
prescribe treatment mode suitable for the patients


Item Dimension
Air Pulse Generator weight 8.5kg
Air Pulse Generator height 37cm
Air Pulse Generator width 20.3cm
Air Pulse Generator depth 24.1cm
Inflatable vest material-Reusable Chest Vest Polyvinyl chloride (PVC)-coated
polyester with polyurethane-coated nylon
Inflatable vest material—Reusable Full Vest Polyurethane-coated nylon
Inflatable vest material—Disposable Wrap Vest PVC-coated, thermally-bonded nylon
Electrical requirements 100 V AC to 230 V AC, 50 Hz to
60 Hz, 2.9 A at 100 V, 2.0 A at 230 V
Fuse requirement 2 each 4 A, 5 x 20 mm (Littelfuse
part number F4AL250V)

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